diff --git a/resources/quality/cartesio/petg/cartesio_0.8_petg_high.inst.cfg b/resources/quality/cartesio/petg/cartesio_0.8_petg_high.inst.cfg
index 8fc6fc8398..c26eded7d0 100644
--- a/resources/quality/cartesio/petg/cartesio_0.8_petg_high.inst.cfg
+++ b/resources/quality/cartesio/petg/cartesio_0.8_petg_high.inst.cfg
@@ -18,7 +18,7 @@ wall_0_inset = -0.05
 fill_perimeter_gaps = nowhere
 travel_compensate_overlapping_walls_enabled =
 
-infill_sparse_density = 40
+infill_sparse_density = 50
 infill_pattern = grid
 
 material_print_temperature_layer_0 = =material_print_temperature + 5